disable audio buffer

src/app/components/Main.tsx

@@ -11,8 +11,8 @@ import {
   streamChat,
   type ChatSource,
 } from "../../services/api";
-import { textToSpeech } from "../../services/voiceApi";
-import { replayAudio } from "../../audio/AudioPlayer";
+// import { textToSpeech } from "../../services/voiceApi";
+// import { replayAudio } from "../../audio/AudioPlayer";
 import ChatLayout from "./chat/ChatLayout";
 import Sidebar from "./chat/Sidebar";
 import ChatWindow from "./chat/ChatWindow";
@@ -401,62 +401,58 @@ export default function Main() {
     }
   }, [user, ensureRoom]);
 
-  const cancelTtsRef = useRef<(() => void) | null>(null);
-
-  const playTtsAudio = useCallback(async (
-    ttsText: string,
-    onStarted?: () => void,
-  ): Promise<{ chunks: ArrayBuffer[]; sampleRate: number }> => {
-    // Stop any in-flight TTS before starting a new one (e.g. rapid re-query).
-    cancelTtsRef.current?.();
-    cancelTtsRef.current = null;
-    try {
-      const { pcm, sampleRate } = await textToSpeech(ttsText);
-      const durationMs = (pcm.byteLength / 2 / sampleRate) * 1000;
-      // Use the same proven playback path as the speaker button: schedule the
-      // full response at once via replayAudio, avoiding all streaming complexity.
-      const cancel = replayAudio([pcm], sampleRate);
-      cancelTtsRef.current = cancel;
-      onStarted?.();
-      await new Promise<void>((resolve) => setTimeout(resolve, durationMs + 150));
-      cancel();
-      cancelTtsRef.current = null;
-      return { chunks: [pcm], sampleRate };
-    } catch {
-      // TTS failure is non-fatal
-      return { chunks: [], sampleRate: 24000 };
-    }
-  }, []);
+  // const cancelTtsRef = useRef<(() => void) | null>(null);
+
+  // const playTtsAudio = useCallback(async (
+  //   ttsText: string,
+  //   onStarted?: () => void,
+  // ): Promise<{ chunks: ArrayBuffer[]; sampleRate: number }> => {
+  //   cancelTtsRef.current?.();
+  //   cancelTtsRef.current = null;
+  //   try {
+  //     const { pcm, sampleRate } = await textToSpeech(ttsText);
+  //     const durationMs = (pcm.byteLength / 2 / sampleRate) * 1000;
+  //     const cancel = replayAudio([pcm], sampleRate);
+  //     cancelTtsRef.current = cancel;
+  //     onStarted?.();
+  //     await new Promise<void>((resolve) => setTimeout(resolve, durationMs + 150));
+  //     cancel();
+  //     cancelTtsRef.current = null;
+  //     return { chunks: [pcm], sampleRate };
+  //   } catch {
+  //     return { chunks: [], sampleRate: 24000 };
+  //   }
+  // }, []);
 
   const { voiceState, start, stop, stopRecording, setStateExternal, isActive: isVoiceActive } = useVoiceSession({
     onTranscript: async (text: string) => {
       // console.log("[onTranscript] received:", text);
       // Pass skipReload=true so handleSend returns immediately after streaming
       // without waiting for GET /room — TTS starts with zero extra delay.
-      const result = await handleSend(text, true);
-      const { audioText = "", assistantMsgId } = result ?? {};
+      await handleSend(text, true);
       // console.log("[onTranscript] handleSend done, audioText:", audioText ? audioText.slice(0, 40) : "(empty)");
-      if (audioText && isVoiceActiveRef.current) {
-        const { chunks, sampleRate } = await playTtsAudio(audioText, () => {
-          if (isVoiceActiveRef.current) setVoiceStateRef.current?.("SPEAKING");
-        });
-        if (assistantMsgId && chunks.length > 0) {
-          setChats((prev) =>
-            prev.map((chat) =>
-              chat.id === currentChatIdRef.current
-                ? {
-                    ...chat,
-                    messages: chat.messages.map((m) =>
-                      m.id === assistantMsgId
-                        ? { ...m, audioChunks: chunks, audioSampleRate: sampleRate }
-                        : m
-                    ),
-                  }
-                : chat
-            )
-          );
-        }
-      }
+      // TTS playback after tap-to-speak is disabled
+      // if (audioText && isVoiceActiveRef.current) {
+      //   const { chunks, sampleRate } = await playTtsAudio(audioText, () => {
+      //     if (isVoiceActiveRef.current) setVoiceStateRef.current?.("SPEAKING");
+      //   });
+      //   if (assistantMsgId && chunks.length > 0) {
+      //     setChats((prev) =>
+      //       prev.map((chat) =>
+      //         chat.id === currentChatIdRef.current
+      //           ? {
+      //               ...chat,
+      //               messages: chat.messages.map((m) =>
+      //                 m.id === assistantMsgId
+      //                   ? { ...m, audioChunks: chunks, audioSampleRate: sampleRate }
+      //                   : m
+      //               ),
+      //             }
+      //           : chat
+      //       )
+      //     );
+      //   }
+      // }
       if (isVoiceActiveRef.current) setVoiceStateRef.current?.("IDLE");
     },
     sessionParams: {},